FIELD: physics.
SUBSTANCE: device comprises sinusoid shaper 1, transformer angle detector 2, differential amplifier 3, selection-storage device 4, analog-digital converter 5, data register 6, unit of control and synchronisation 7, generator 8, registers 9-12, summator 13. In selection-storage device 4 four times in a period, in moments of time t, T/2-t, T/2+t, T-t, four values of differential amplifier 3 outlet voltage are memorised. Then these values are digitised in analog-digital converter 5, recorded in registers 9-12, summed up in summator 13 and averaged.
EFFECT: increased accuracy of transformation due to averaging of several values of angle code without reduction of transformation speed and lower requirements to quality of detector supply.
2 dwg
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